Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-METHYLQUINOXALINE-2,3(1H,4H)-DIONE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-METHYLQUINOXALINE-2,3(1H,4H)-DIONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 1-METHYLQUINOXALINE-2,3(1H,4H)-DIONE
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

20934-51-4

20934-51-4 structure

20934-51-4 structure

Name: 1-METHYLQUINOXALINE-2,3(1H,4H)-DIONE
Chemical Name: 4-methyl-1H-quinoxaline-2,3-dione
CAS Number: 20934-51-4
Molecular Formula: C₉H₈N₂O₂
Molecular Weight: 176.17200
Create Date: 2019-02-19 19:50:30
Modify Date: 2025-09-18 18:43:55

Name	4-methyl-1H-quinoxaline-2,3-dione
Synonyms	1-Methyl-1,4-dihydro-2,3-quinoxalinedione 1-Methyl-1,4-dihydro-chinoxalin-2,3-dion 1,2,3,4-tetrahydro-1-methyl-2,3-dioxoquinoxaline 1,2,3,4-tetrahydro-3-keto-1-methylquinoxaline N-Methyl-1,4-dihydro-2,3-quinoxalinedione 1-Methylquinoxaline-2,3-dione 1-methyl-1,4-dihydroquinoxaline-2,3-dione

Density	1.292g/cm3
Molecular Formula	C₉H₈N₂O₂
Molecular Weight	176.17200
Exact Mass	176.05900
PSA	54.86000
LogP	0.22680
Index of Refraction	1.585
Storage condition	2-8°C

HS Code	2933990090

Precursor 0
DownStream 8
23719-78-0 31595-64-9 2213-63-0 80708-30-1
80708-31-2 90042-29-8 55687-06-4 58175-07-8

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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